Which of the following describes the order of soil horizons from the surface downwards?

Question

Quizplus · Accepted Answer

The O horizon is the surface organic layer, followed by the A horizon (topsoil), which is the layer where most biological activity occurs. The E horizon (eluviated horizon) is a light colored layer that receives the most leaching, followed by the B horizon (subsoil), which accumulates materials leached from above. The C horizon (parent material) is the layer of unconsolidated material that lies beneath the B horizon.

Which of the Following Describes the Order of Soil Horizons